Recognizing our mutual determination to support strategic stability between the United States of America and the Russian Federation, we express our commitment, as a matter of principle, to continue to work together in the spirit of the START Treaty following its expiration, as well as our firm intention to ensure that a new treaty on strategic arms enter into force at the earliest possible date.

— President Barack Obama and President Dmitry Medvedev, in a joint statement released this morning to NPI (via email) on the expiration of the START treaty.